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Commit 27dd2e04 authored by Tony Prisk's avatar Tony Prisk Committed by Greg Kroah-Hartman
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serial: vt8500: Fix range-checking on vt8500_uart_ports 



Fix two instances where the index to vt8500_uart_ports is tested
against > VT8500_MAX_PORTS. Correct usage should be >= VT8500_MAX_PORTS.

Signed-off-by: default avatarTony Prisk <linux@prisktech.co.nz>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f938f378

drivers/tty/serial/vt8500_serial.c

+2 −2
Original line number Diff line number Diff line
@@ -560,7 +560,7 @@ static int vt8500_serial_probe(struct platform_device *pdev) 


	if (np)

		port = of_alias_get_id(np, "serial");

		if (port > VT8500_MAX_PORTS)

		if (port >= VT8500_MAX_PORTS)

			port = -1;

	else

		port = -1;
@@ -571,7 +571,7 @@ static int vt8500_serial_probe(struct platform_device *pdev) 
					sizeof(vt8500_ports_in_use));

	}



	if (port > VT8500_MAX_PORTS)

	if (port >= VT8500_MAX_PORTS)

		return -ENODEV;



	/* reserve the port id */